1220222302 has 16 divisors (see below), whose sum is σ = 1998133200. Its totient is φ = 555463872.

The previous prime is 1220222281. The next prime is 1220222317. The reversal of 1220222302 is 2032220221.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 319552 + ... + 323347.

It is an arithmetic number, because the mean of its divisors is an integer number (124883325).

Almost surely, 2^1220222302 is an apocalyptic number.

1220222302 is a deficient number, since it is larger than the sum of its proper divisors (777910898).

1220222302 is a wasteful number, since it uses less digits than its factorization.

1220222302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 642987.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 1220222302 is about 34931.6804920691. The cubic root of 1220222302 is about 1068.5946268347.

Adding to 1220222302 its reverse (2032220221), we get a palindrome (3252442523).

The spelling of 1220222302 in words is "one billion, two hundred twenty million, two hundred twenty-two thousand, three hundred two".